Omicron (BA.1) SARS-CoV-2 variant is associated with reduced risk of hospitalization and length of stay compared with Delta (B.1.617.2)

A, Peralta-Santos; EF, Rodrigues; J, Moreno; V, Ricoca; P, Casaca; E, Fernandes; JP, Gomes; R, Ferreira; J, Isidro; M, Pinto; V, Borges; L, Vieira; S, Duarte; C, Sousa; JP, Almeida; L, Menezes; BI, Ferreira; A, Matias; A, Pelerito; S, Freire; T, Grilo; CM, Borges; V, Moutinho; A, Leite; I, Kislaya; AP, Rodrigues; PP, Leite; B, Nunes

doi:10.1101/2022.01.20.22269406

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Omicron (BA.1) SARS-CoV-2 variant is associated with reduced risk of hospitalization and length of stay compared with Delta (B.1.617.2)

Shared by NobleBlocks on Jan 23, 2022 • 12:00 AM UTC

Authors:

Peralta-Santos A

Rodrigues EF

Moreno J

Abstract

Introduction Early reports showed that Omicron (BA.1) SARS-CoV-2 could be less severe. However, the magnitude of risk reduction of hospitalization and mortality of Omicron (BA.1) infections compared with Delta (B.1.617.2) is not yet clear. This study compares the risk of severe disease among patient...

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